Efficient Generative Retrieval for E-commerce Search with Semantic Cluster IDs and Expert-Guided RL.

Jianbo Zhu Xing Fang Jing Wang Mingmin Jin Bokang Wang Guangxin Song Zhenyu Xie Junjie Bai Efficient Generative Retrieval for E-commerce Search with Semantic Cluster IDs and Expert-Guided RL. 2026 May abs/2605.14434 CoRR https://doi.org/10.48550/arXiv.2605.14434 db/journals/corr/corr2605.html#abs-2605-14434 streams/journals/corr